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CD26:27
Supp. No. 9
(3)
Manufactured Homes.
(a)
New or replacement manufactured homes shall be elevated so that the reference level of
the manufactured home is no lower than the regulatory flood protection elevation, as
defined in Article 2 of this ordinance.
(b)
Manufactured homes shall be securely anchored to an adequately anchored foundation to
resist flotation, collapse, and lateral movement, either by engineer certification, or in
accordance with the most current edition of the State of North Carolina Regulations for
Manufactured Homes adopted by the Commissioner of Insurance pursuant to NCGS 143-
143.15. Additionally, when the elevation would be met by an elevation of the chassis
thirty-six (36) inches or less above the grade at the site, the chassis shall be supported by
reinforced piers or engineered foundation. When the elevation of the chassis is above
thirty-six (36) inches in height, an engineering certification is required.
(c)
All enclosures or skirting below the lowest floor shall meet the requirements of Article 5,
Section B (4) (a), (b), and (c).
(d)
An evacuation plan must be developed for evacuation of all residents of all new,
substantially improved or substantially damaged manufactured home parks or subdivisions
located within flood prone areas. This plan shall be filed with and approved by the
floodplain administrator and the local Emergency Management coordinator.
(4)
Elevated Buildings. Fully enclosed area, of new construction and substantially improved
structures, which is below the lowest floor:
(a)
shall not be designed or used for human habitation, but shall only be used for parking of
vehicles, building access, or limited storage of maintenance equipment used in connection
with the premises. Access to the enclosed area shall be the minimum necessary to allow
for parking of vehicles (garage door) or limited storage of maintenance equipment
(standard exterior door), or entry to the living area (stairway or elevator). The interior
portion of such enclosed area shall not be finished or partitioned into separate rooms,
except to enclose storage areas;
(b)
shall be constructed entirely of flood resistant materials below the regulatory flood
protection elevation;
(c)
shall include, in Zones AE and X (Future) ,
flood openings to automatically equalize
hydrostatic flood forces on walls by allowing for the entry and exit of floodwaters. To
meet this requirement, the openings must either be certified by a professional engineer or
architect or meet or exceed the following minimum design criteria;
i)
A minimum of two flood openings on different sides of each enclosed area subject to
flooding;
ii)
The total net area of all flood openings must be at least one (1) square inch for each
square foot of enclosed area subject to flooding;